Gutierrez, K. P. T. (1996). Graduation Recital (voice). UP College of Music.
芝加哥风格引文Gutierrez, Karla Patricia T. Graduation Recital (voice). Quezon, City: UP College of Music, 1996.
MLA引文Gutierrez, Karla Patricia T. Graduation Recital (voice). UP College of Music, 1996.
警告：这些引文格式不一定是100％准确.